baber/WOPTO huggingface dataset:
Patent JP-H05283389-A (JP)
Title: Method of cleaning semiconductor wafer
IPC: H01L21/304
Filed: 1992-03-31
Abstract: PURPOSE:To improving cleaning effects by removing the contaminants that have brought into a semiconductor wafer during ion implantation. CONSTITUTION:A method of cleaning semiconductor wafer comprises the steps of introducing vaporized hydrogen fluoride from a container 5 into a plastic chamber 7 to perform vapor-phase cleaning of a wafer 1, and rinsing the wafer with pure water. This method may further comprise heating the wafer at 70-120 deg.C after the rinsing step.
Patent JP-S55166666-A (JP)
Title: Variable power copying apparatus
Inventor: TOOYAMA YOSHIKUNI
IPC: G03B27/34
Filed: 1979-06-15
Abstract: PURPOSE:To make copying image of good quality by making use of the change in the relative position relation of reflecting means even for the correct ratio of approach-run distance with respect to each magnification. CONSTITUTION:The 1st and the 2nd mirrors 5, 6 are the movable mirrors which scan the original 2. Both mirrors 5, 6 move in the same direction at a speed ratio of 1:1/2 and parallel to the original platen to maintain the optical path length to be set at the specified length constant with respect to the magnification selected between a lens 7 and original 2. At the time when the mirrors 5, 6 move upper leftward, they scan the original 2, at which time the original images are slit-exposed to an electrophotographic receptor 1. By this exposure, the electrostatic images are formed on the photoreceptor 1 and these electrostatic images are developed. The developed images are transferred and fixed.
Patent JP-S58193547-A (JP)
Title: Reduced projection exposing device
Inventor: KUNIYOSHI SHINJI
IPC: H01L21/30
Filed: 1982-05-07
Abstract: PURPOSE:To realize the high-speed, high-precision pattern positioning of a reduced projection exposing device by fixing a slit position and moving a wafer sucked onto an XY stage, and realizing relative movement between a slit and a pattern. CONSTITUTION:The slit 8 is positioned on the reduced projection exposing device which forms a pattern on the wafer 4 in such a way that the position of the slit 8 coincides with the center position of a reference pattern 5 on a reticle 2, and variation the intensity of light passed through the slit 8 with the movement of the wafer 4 sucked onto the XY stage 18 is converted photoelectrically at intervals of, for example, 0.016mum output of a laser length measuring machine 16 and sampled; and an operation processing circuit measures the position of the pattern and a pattern formed on the reticle 2 newly is exposed onto the wafer 4 according to the measurement result.
Patent JP-S57190315-A (JP)
Title: Vapor growth method for 3-5 groop compound semiconductor
Inventor: USUI AKIRA
IPC: H01L21/205
Filed: 1981-05-19
Abstract: PURPOSE:To allow obtaining a good epitaxial layer without the removal of a crystalline substrate from a support, by using In, Ga or both alloy for fixing a substrate crystal on a substrate support for crystal growth. CONSTITUTION:Ga is contained in a quartz boat to introduce raw material gas from introduction tubes 5, 6. GaAs crystal for example is used for the substrate crystal 2. This crystal 2 is stuck on the substrate support 8 by using In-Ga alloy 7. In and Ga are metals with low melting points, among which Ga when once  dissolved is held in a supercooled liquid state overcooling state even at room  temperature of 25 deg.C. Besides, In-Ga alloy is liquid at room temperature. Therefore, it is easy to handle with a substrate crystal simply stuck on a substrate  support. In either metal, the retention effect of the substrate crystal is sufficiently obtained in an extremely small amount.
Patent JP-H08267042-A (JP)
Title: Crude refuse treating machine
Inventor: HORI KOJI
IPC: B09B3/00
Filed: 1995-03-31
Abstract: PURPOSE: To eliminate the need for an excessive space and to lessen installation by providing a crude refuse treating machine having a crude refuse treating vessel and a crude refuse charge port with an operation section for remotely operating the crude refuse treating machine integrally with the crude refuse charge port near the charge port. CONSTITUTION: A crude refuse treating vessel 11 of this crude refuse treating machine which decomposes the crude refuse by crude refuse treating materials is housed into a cabinet 10 existing under a counter 9 of a kitchen. An opening/ closing cap 3 covering the crude refuse charge port disposed in the counter 9 is installed approximately flush with the front surface of the counter 9. The opening/closing cap 3 has a handle and is installed with an operation section 5. The operation section 5 has two switches and remotely operates the crude refuse treating machine by the operation of these switches. The number of parts is decreased and the space is saved by installing the operation section 5 of the opening/closing cap 3 in such a manner. The whole installation is saved by simplifying the installation of the operation section 5.
Patent JP-S57189818-A (JP)
Title: Press-fitting device for insert metal into hollow case
Inventor: MIYATA MASAO
IPC: B29C65/00
Filed: 1981-05-19
Abstract: PURPOSE:To insert metal fittings into a hollow case without decomposing it by a method wherein a body with insert metal fittings is set in the hollow case having an opening at the neighborhood of the middle of the bottom and the metal fittings are pressed by operating a cylinder device into each part of the case. CONSTITUTION:Insert metal fittings 18 are attracted and supported on holders 38 of several rotary arms 37 of the body 21. As the arms 37 are turned inwardly, the body 21 is inserted from the opening 14 in the middle of the bottom of the hollow case 11 and set in the case 11 by inserting guide pins 41 of each backing 40 into through holes of the case 11. Then, a driving spindle 24 is revolved by an air rotary machine 25 and the arm 37 is revolved outward through a driving gear 29, a driven gear 36 and stopped at the desired position. Then, the body 21 is dropped by operating the cylinder device 22 and the metal fittings 18 are pressed by the holders 38 into supports 16.
Patent JP-S58191708-A (JP)
Title: Thixotropic unsaturated polyester resin composition
Inventor: KAGEYAMA GAKUSHI
IPC: C08K5/09
Filed: 1982-05-07
Abstract: PURPOSE:To prepare the titled quick-curing composition having low discoloration tendency and excellent storage stability, and useful for gel coating, etc., by compounding a specific accelerator, an ethylenic unsaturated polyester, an unsaturated monomer, a thixotropic agent, an inhibitor and a filler. CONSTITUTION:The objective composition is prepared by compounding (A) 30-80wt% (based on the components (A)+(B) of one or more ethylenic unsaturated polyesters), (B) 20-70wt% of one or more ethylenic unsaturated monomer compounds (e.g. styrene), (C) 0.5-4wt% of a thixotropic agent (e.g. silica), (D) 0.005-0.1wt% of an inhibitor (e.g. hydroquinone), (E) 0-200wt% of a filler (e.g. calcium carbonate) and (F) an accelerator consisting of a 8-16C monocarboxylic acid, and Co salt, alkaline earth metal salt and Cu salt of a chelate compound, wherein the amount of the component (F) is 0.001-0.5wt% as Co metal, 0.01-0.1wt% as alkaline earth metal and 0.001-0.05wt% as Cu metal.
Patent JP-S62234581-A (JP)
Inventor: TANAKA YASUHISA
IPC: B05B17/06
Filed: 1986-04-03
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H04219107-A (JP)
Title: Cylindrical filter and its manufacture
Inventor: MAIKERU GURIMUZU
IPC: B01D29/01
Filed: 1991-01-18
Abstract: PURPOSE: To provide a method to form a cylindrical filter from a sheet of filter material which includes two connected layers of filter media, by jointing two opposing edges of the sheet to form a cylinder. CONSTITUTION: The cylindrical filter is formed from a sheet of filter material which includes two connected layers 10, 11 of filter media. The opposing edges 16, 17 of the sheet are jointed to form the cylinder by separating the media adjacent to the edges; and then, the first part 10 of the separated layers are sealed together; and next the second part 11 of separated layers are sealed. The two seals A, B are spaced inwardly of the edges 16, 17 and are spaced from one another. In this way, failure of one seal does not result in failure of the cylindrical filter.
Patent JP-H09264559-A (JP)
Title: Heat storage/cold storage type cool/warm air apparatus
Inventor: YAMAGUCHI SHOICHI
IPC: F24F1/00
Filed: 1996-03-29
Abstract: PROBLEM TO BE SOLVED: To reduce thermal expansion and contraction of a thermoelectric cooling element due to on/off operation of current by providing a current controlling means for allowing smaller current to flow after a stop of air supply by a blowing means than that at the time of blowing. SOLUTION: A blower fan 6 is continuously rotated and current of a Peltier element 1 is controlled to a stationary current until the time when a detection signal of detecting an occupant leaving a toilet is inputted to a control circuit 3 from a human body sensor, and these are continued until an elapse of a certain period of time after the stop of the blower fan 6. After the elapse of the time, current of the Peltier element 1 is controlled in a waiting state to a current smaller than the stationary current.
Patent JP-S531388-A (JP)
Title: Method and device for chamfering surface of pipe end
Inventor: MATSUMOTO TSUYOSHI
IPC: B23B5/16
Filed: 1976-06-25
Abstract: PURPOSE:To prevent a trouble due to cutting chips produced upon chamfering of the inner surface of a pipe end from occurring in a post processing of the pipe by removing the chips by automatically chamfering the inner surface of the pipe end.
Patent JP-H02254724-A (JP)
Title: Formation of silicon nitride film
Inventor: KITSUNO YUU
IPC: H01L21/318
Filed: 1989-03-28
Abstract: PURPOSE:To enable a silicon nitride film in high quality to be formed even at low temperature by a method wherein, during the thermal CVD process using a mixed gas of high degree silane gas and ammonia, boronide gas is added to the silicon nitride film. CONSTITUTION:When a mixed gas of high degree silane gas 5 and ammonia 6 is thermally cracked to deposit a silicon nitride film on a substrate 4, hydrogenated boron gas 7 or halogenated boron gas is added to the silicon nitride film. That is, the acceptable formation temperature of the silicon nitride film by thermal CVD process shall be at high level however, due to the addition of the boronide gas 7, the silicon nitride film can be formed at low temperature. Through these procedures, the silicon nitride film in excellent insulation characteristics, humidity resistance, mechanical strength, etc., can be formed in large space and high yield.
Patent JP-H07276458-A (JP)
Title: Temperature control device for injection molding machine
Inventor: KUBOTA KOJI
IPC: B29C45/74
Filed: 1994-04-14
Abstract: PURPOSE:To provide a temperature control device for a heating cylinder for an injection molding machine of energy-saving type which can heat by the maximum value capacity in the temperature rising time at the start of molding, reduce the power consumption at the stabilized molding time and keep the temperature as wished easily. CONSTITUTION:A plurality of band heaters H1-H10 are installed on every temperature control zone C1-C4 set in the axial center direction of a heating cylinder for an injection molding machine, and a changeover circuit for changing over the connection of a plurality of band heaters for above-said every temperature control zone from a series circuit to a parallel circuit or vice versa is provided, and a plurality of band heaters for every temperature control zone are so connected together as to form a parallel circuit at the time of the start of heating the band heaters following the start of molding. A power control circuit for changing over a plurality of band heaters disposed for every temperature control zone from the parallel circuit to the series circuit after the given preset time by the above-said arrangement is also provided in a device.
Patent JP-H04310161-A (JP)
Title: Data readout circuit
Inventor: TOUJIYOU ECHIKO
IPC: H04J3/04
Filed: 1991-04-09
Abstract: PURPOSE:To prevent the erroneous reading of data written by a CPU from one port of a dual port memory due to the change of the processing time of a CPU of the data readout circuit where the multiplex processing part of a PCM terminal equipment reads out data from the other port at regular intervals. CONSTITUTION:The circuit is provided with a dual port memory 42 one port of which is connected to a CPU 41, a control circuit 43 connected to the other port of the dual port memory 42, and a temporary storage memory connected to the CPU 41 and the dual port memory 42. The highest order address of the dual port memory 42 is connected to be reverse logic in the right and left ports, connected to a synchronizing signal line feeding a synchronizing signal to the CPU 41 from the circuit 43, the output data of the CPU 41 is temporarily stored in the temporary storage memory 11, synchronized with the synchronizing signal to be transferred from a temporary storage memory 11 to the dual port memory 42.
Patent JP-S5411745-A (JP)
Title: Fixing device of recording medium supporting toner images
Inventor: TOMITA SATORU
IPC: G03G15/20
Filed: 1977-06-28
Abstract: PURPOSE: To obtain stable and good picture images of high heat utilization efficiency by disposing fins and heating elements to the top and bottom of the passage for recording body in a hermetic vessel and decreasing the quantity of hot air hitting against the recording medium near the inlet and rising its temperature. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S532433-A (JP)
Title: Hydrolysis of #-phenylenediamine
Inventor: KOMIYAMA TADASHI
IPC: C07C215/76
Filed: 1976-06-29
Abstract: PURPOSE: p-Aminophenol and hydroquinone are prepared in high yield by the hydrolysis of p-phenylenediamine with hydrohalogenic acid at 150 - 350°C. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H04311032-A (JP)
Title: Dry-etching method of amorphous silicon
Inventor: TAKANO TAKAO
IPC: H01L29/78
Filed: 1991-04-09
Abstract: PURPOSE:To apply the title dry-etching method having the selectivity from a silicon nitride as an underneath film as well as the excellent reproducibility of time-lag by a method wherein an amorphous silicon film is dry-etched in a mixed gas containing SF6, CClF3 and O2. CONSTITUTION:An etching gas is led in an etching chamber 10 through a flow rate controller from a gas feeder provided outside the chamber 10. Besides, a cathode electrode is in the water-cooled structure to avoid the temperature rising of a specimen. On the other hand, the title dry-etching method meets the requirements for the selection of a mixed gas containing SF6, CClF3 and O2, etching pressure of 30 Pa and the etching power of 300W. Finally, a substrate 16 mounted on the cathode electrode 12 is dry-etched in the high-frequency plasma of the mixed gas.
Patent JP-H10267271-A (JP)
Title: Liquid fuel combustion equipment
Inventor: ARAKI TAKASHI
IPC: F23N5/20
Filed: 1997-03-27
Abstract: PROBLEM TO BE SOLVED: To suitably regulate to become a suitable value for combustion by controlling to decelerate a combustion blower before a flame of a flame forming unit is not eliminated at the time of fire extinguishing, thereby suppressing generation of unburned gas of concentration of mixed gas immediately before a flame failure. SOLUTION: The presence or absence of a fire extinguishing signal (combustion OFF signal) is detected. And, when the OFF signal is detected, whether it is caused by an operation of an operation OFF switch 14 or by the other (e.g. occurrence of an implement failure such as miss firing is judged. In the case by the switch 14, whether ON time output of a pump signal is finished or not as a normal fire extinguishing signal is judged. The combustion a continued until the ON time output is finished. And, when the signal is finished, driving of a solenoid pump 23 is stopped. Meanwhile, a driving signal (phase control signal) to the blower 24 (and convection blower 25) is stopped, and normal fire extinguishing sequence is started.
Patent JP-H05240880-A (JP)
Title: Movement for measuring instrument
Inventor: SATO KOICHI
IPC: G01R5/16
Filed: 1992-02-27
Abstract: PURPOSE:To add an optimum zero feedback structure for adopting a compressed coil and a moving magnet facing to the compressed coil as a means for thinning the movement part of a cross coil type measuring instrument. CONSTITUTION:Constituted are of a magnet body 22 placed with an indicator needle axis 23 and magnetized at the opposit position in front and back direction, a operation part consisted of an upper yoke 21 and a fixed part arranged with a compressed coil body around a lower yoke 32. A zero feedback magnet 33 is arranged especially in the center of the compressed coil body and magnetic force is acted around the operation part for drawing the indication needle. At the position the magnetic flux of the compressed coil body is maximum, the compensation of the zero feedback magnet 33 is attained.
Patent JP-H01250707-A (JP)
Title: Method and apparatus for measuring shape of three-dimensional curved surface
Inventor: UESUGI MITSUAKI
IPC: G01B11/24
Filed: 1988-03-31
Abstract: PURPOSE:To measure the shape of a three-dimensional curved surface, by taking the image of such a state that slit light moves along the surface of an object to be measured by a TV camera and forming a synthetic image wherein the projection angle of slit light in a moment when slit light passes is set to the value of a pixel at every pixel in a picture. CONSTITUTION:Slit light 3a is projected on the surface of the object 2 to be measured placed on a reference surface 1 and the image of the object 2 to be measured is taken by a TV camera 8 while slit light 3a is moved by a rotary mirror 4. On the basis of the video signal outputted from the camera 8, image synthesizing operation wherein the surface position of the object 2 to be measured corresponding to each pixel in a picture is made as the projection angle theta of the slit image at a moment when the slit light 3a passes through every pixel in the picture, is performed. The shape of the three-dimensional curved surface of the object 2 to be measured can be measured on the basis of the synthetic image.
Patent JP-H03274926-A (JP)
Title: System movement control system for mobile station
Inventor: NAGATA KIYOTO
IPC: H04W84/08
Filed: 1990-03-26
Abstract: PURPOSE:To prevent the useless system movement of a mobile station by controlling the system movement while selecting a preferential system on the side of the mobile station based on information from a channel for call. CONSTITUTION:The mobile station is composed of an antenna 2, shared device 3, reception part 4, transmission part 5, synthesizer part 6 and control part 7 and this control part 7 is composed of an input/output part 71, CPU 72, ROM 73, RAM 74, Timer 75 and clock generator 76. The mobile station is operated according to a program stored in the ROM 73. A received signal is sent from the control part 7 to the synthesizer part 6 and the channel number of the control channel for call set between the mobile station and a radio base station is designated. When the mobile station exists in a contour zone between systems, the movement of the system is controlled while selecting the preferential system.
Patent JP-H10293581-A (JP)
Title: Musical sound frequency modulating device and method thereof
Inventor: SAITO TSUTOMU
IPC: G10H1/043
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To variously change the start of frequency modulation by providing a means for generating the initial phase information of the periodic change of modulation information and a means for starting the generation of the periodically changing modulation information form a phase complied with the generated initial phase information. SOLUTION: A processing program for generating a musical sound signal, timber data concerning a waveform and envelope and the waveform data themselves, etc., and stored in ROM 20, a read-out address is controlled by a ROM address control circuit 31 and reading out of the processing program or the timber data and reading of the waveform data are changed over to each other. The processing program read out of the ROM 20 is sent to the CPU of a key assigner circuit and various kinds of processings are executed. The initial phase information of the periodic change of modulation information is generated and the generation of the periodically changing modulation information is started from the phase complied with the generated initial phase information.
Patent JP-H06290001-A (JP)
Title: Method for controlling duplexed disk
Inventor: EGUCHI MASANORI
IPC: G06F3/06
Filed: 1993-04-02
Abstract: PURPOSE:To shorten the retrieving time of a management table, copying time from a master system disk to a sub-system disk and time required for restart in an electronic computer system for storing the same data in two disk devices, i.e., a main device and a sub-device, and controlling a duplexed file. CONSTITUTION:Management information such as a block number indicating a writing position in a medium of a main system disk unit 5 is previously recorded in a duplex management table 4, and when a position to be written exists in the table at the time of writing data in the disk, the data are written in the disk 5 as they are. When the position concerned is not included in the table, the data are written in the disk 5 after securing the writing position, the management information is recorded and asynchronous writing in the medium of a subsystem disk unit 6 is executed based upon the recorded information.
Patent JP-H03279620-A (JP)
Title: Engine air intake device
Inventor: HITOMI MITSUO
IPC: F02B27/02
Filed: 1990-03-28
Abstract: PURPOSE:To remove the irregularity of the quantity of air filling among cylinders and attain a homogeneous air intake condition, by providing a means that equalizes substantially turning over areas at the turning over positions of pressure waves from respective branching off passages to a connection passage. CONSTITUTION:At an air intake device 10, independent air intake passages 22 introduce respectively air intake into a plurality of cylinders 18. Also, one end of each branching off passage 38 is connected to each independent air intake passage 22, and the other end of each is open. And a connection passage 40 connects mutually the other ends of branching off passages 38. Hereupon, a partition 44 which stands up vertically and under a condition in which openings are formed at longitudinal both ends, is provided at the inside of a connection pipe 42, so a looplike connection passage is constituted. As a result, negative pressure wave turning-over positions at the connection passage 40 at respective branching off passages 38 are formed at right and left 2 points, and also cross sectional areas are equally set. Accordingly, the turning-over area at the connection passage 40 becomes equal with regard to all the branching off passages 38, that is, cylinders 18, and the irregularity of the quantity of air filling among respective cylinders 18 can be removed.
Patent JP-H11279980-A (JP)
Title: Multiple stage doctor device
Inventor: HAGITA SHUNICHI
IPC: D21G3/00
Filed: 1998-03-25
Abstract: PROBLEM TO BE SOLVED: To enable the easy cleaning work, etc., of a doctor blade in a down stream side of a roll rotating direction in a multiple stage doctor device. SOLUTION: This two-stage doctor device is provided by installing a doctor pack 27 as rotatable over a large angle range around a journal shaft center 28a by means of a hydraulic or an air cylinder 30 having a long stroke, and setting the position of a blade tip so as not to interfere the blade tip of the second doctor blade 23 with a roll surface 4a in rotating over the large angle range. Thus, in works for cleaning the second doctor blade 23 or dissolving paper clogging between the blades 22 and 23, since the gap between the doctor blade 22 and the roll surface 4a can be widened, it becomes possible to perform such works easily and in a good efficiency.